{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["place", "attack pattern", "price", "tool", "time", "victim", "payment method", "damage amount"]}], "input": "Colorado Department of Transportation employees spent a second day offline Thursday as security officials investigated the damage done by a ransomware virus that hijacked computer files and demanded payment in bitcoin for their safe return ."}
{"ransom": [{"place": "NAN", "attack pattern": "hijacked computer files", "price": "NAN", "tool": "a ransomware virus", "time": "Thursday", "victim": ["Colorado Department of Transportation", "employees"], "payment method": "in bitcoin", "damage amount": "NAN"}]}